REFORM Maschinenfabrik Adolf Rabenseifner GmbH & Co. KG
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last Update: 14.2.2013
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Profile Grinding Machines
Machines for grinding Spline Shafts, Gears and Broaches
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PSM
Grinding machine to grind straight profiles. Internal and External.
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ZSM
Grinding machine to grind straight and spiral toothed profiles.
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Broachmaster
Universal grinding
The PSM is suitable for grinding:
- Spline shafts
- Straight toothed gears
- Toothed shafts
- Any component with a lead angle “0“ can be ground as well as straight toothed broaches with the above    mentioned profiles.
 
The PSM machine is capable of grinding workpieces 800, 1200, 1600, 2000, 2500 and 3000mm.
It is possible to grind an internal profile by fitting an internal grinding spindle. This is an optional extra.
The max. workpiece weight is 280kg (K-design) / 1000kg (G-design).
 
Possible design characteristics:
- Automatic adjustment within 4 seconds
- Measuring arm with 4 measuring gauges for broaches
- Measuring of profile in the machine
- Pre-milling of "soft" toothing
- Integration in manufacturing line
- Automatic load and unload
 
Workpiece examples:
outer view
inner view
The ZSM is a high performance grinding machine with Sinumerik 840 controlled axis.
 
This machine has specifically been developed for grinding of:
- Straight and spiralled fluted broaches
- Straight and helical formed gears
- Toothed shafts
- All types of spline shafts
- Any grindable profiles with a lead angle of “0“ in rotational pieces up to a grinding length of 3000 mm and a max. diameter of Ø500 mm.
 
For the gear industry the machine has considerable advantages, as setting time is not very high and lead angle (±90 Grad) is not limited. Due to the grinding wheel size range of Ø40 mm up to Ø250 mm almost any type of gear tooth can be ground.
 
 
Workpiece examples:
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Prototypes for tests
Pump drive shaft used in
the aviation industry
Gear for heavy
duty hydraulic
pumps
Motor boat
reversing trans-
mission shaft
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Straight and spiral fluted broaches with all normal profiles:
 
- Tip relief
- Root relief
- Radius on tip & root
- Chamfer on tip & root
- Parabolic involute spline
- Relief grinding by progressive twisting, always in accordance with the tooth space geometry
Straight and helically formed gears with following profiles:
- Depth crown
- Crowned symmetrically
- Crowned asymmetrically
- Tapered
- Tapered-crown
- Parabolic involute spline
- With protuberance
- With tip chamfer
- With root chamfer
BROACHMASTER
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The Broachmaster is  suitable for :
- profil grinding of straight and helical broaches
- profil grinding and sharpening of flat broaches
- sharpening on the tooth space and the clearance angle on straight and helical gullet
- grinding of tooth space from the stock
- grinding of chip braekers
- and many other special tasks
 
this is the most universal grinding machine from REFORM. By means of changing the number of axis can be made a special machine for a certain job.
 
Brochure download